I acted as a lookout, for lack of a better word, for my family. To protect us. If anyone ever grew suspicious, I could give us early warning and an easy retreat. It happened occasionally – some human with an active imagination would see us in the characters of a book or a movie. Usually they got it wrong, but it was better to move on somewhere new than to risk scrutiny. Very, very rarely someone would guess right. We didn’t give them a chance to test their hypothesis. We simply disappeared, to become no more than a frightening memory…